Key button for a handset



FIG. 1 is a front view of a key button for a handset showing our newdesign; and,

FIG. 2 is a perspective front view thereof.

The broken lines showing the remainder of the key button for a handsetare for illustrative purposes only and form no portion of the claimeddesign.

The ornamental design for a key button for a handset, as shown anddescribed.